BUG: Update camera clipping range

The camera clipping range was not updated after its position was
changed by the cameraController, resulting in cropped actors by
the 'far' plane if the camera was pulled too far away from the
models.

This commit adresses issue #56

VTKRendering/VTKViewer.cpp

@@ -72,7 +72,10 @@ public:
 
                     if (this->cameraControllerData != nullptr)
                     {
-                        updateCamera();
+                        vtkRenderer* renderer =
+                            this->renderWindow->GetRenderers()->GetFirstRenderer();
+                        updateCamera(renderer);
+                        renderer->ResetCameraClippingRange();
                     }
 
                     this->renderWindow->Render();
@@ -96,10 +99,9 @@ public:
 	///
 	/// \brief Update the camera from external source (optional)
 	///
-    void updateCamera()
+    void updateCamera(vtkRenderer* renderer)
     {
-        vtkCamera* camera = getRenderWindow()->GetRenderers()->
-            GetFirstRenderer()->GetActiveCamera();
+        vtkCamera* camera = renderer->GetActiveCamera();
 
         camera->SetPosition(
             cameraControllerData->position[0],